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Assuming the fluorescence is due to sodalite, which is a aluminum silicate, I’m not sure if HCl will leach anything out, but it’s certainly worth a try. I’ve had good luck using HCl on the REE

Taray UV florescent spectroscopy goes hand in hand with xrf Can you elaborate? Charles <sukhjez@...> escribió:

Dude?Will attempt a?longer acquisition time for xrf?Some rocks deserve more attention?Not sure dissolving this alkaline rock in dil HCl and?shooting through a quartz cuvette will help in 365UV

Taray, I looked for Ga but it’s too weak to say. Perhaps with a longer count time and running the HV down to 20 kV may help bring out the lower energy elements The optical data are overwhelmed by

Well syenite is found in China based on this article? This Fangcheng type florescent rocks are sold of as yooperlites or healing stones. Well the composition of mine is similar to this??chinese

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Taray, Try an optical spectrum and see what that gets. It looks like there’s Pb, possibly some As, Nb and Y in there as well. Dud Sent: Saturday, October 19, 2024 7:19 AM To:

With all the Zr I would suspect Zircon. Without the locality it is anyone's guess. Charles charlesdavidyoung@...> wrote:

Taray You should mark the Kb1 peaks as well. They help verify the correct element. Charles <sukhjez@...> escribió:

Here is a sample of online syenite Probably from China? In USA it is called Yooperlites originating from Michigan area These rocks are sold cheaply online and has been a subject of discussion in

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I was looking at buying some silver yesterday from JM Bullion and noticed they have 1oz bars of other metals. I ordered ytterbium, yellow niobium, iron, and molybdenum and a 1-lb copper bar, along

I wouldn’t think so as it would have to be in a crystal form for the energy transfer. I base this on trying to look at the reflectance of Nd in rocks and minerals which show the absorption features

Dude?Rare earths are interesting with?their electron shell configurationsAny way of displaying these??optical luminous properties in the pure form ?

Taray, For the case of samarium the optical transmission spectrum shows good transmission from 500 to NIR. While the UV has multiple sharp absorbance bands due to the 4f electron shell configuration.

Newcomers can choose? Xray data booklet??for xrf resources. Available as a handy pocket sized booklet. Can be downloaded from? https://xdb.lbl.gov/ The boring??pure

Nice! I am trying to get things cleaned up and organized so I can do some real work with lab stuff versus just playing with it here and there. Have a number of samples I want to

Some??people collect pure metals? I notice??most??metals in a pure form tend to have a silvery??with different shades of grey appearance . This??has something to do with electronic

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Taray, We use standard electronics grade silicon to make our chips.? Very high purity, and no Tellurium is used in our silicon based detectors.? There are a few heavier elements that are used